Apparatus for sterilizing canned goods.



L. E. ARNOLD.

APPARATUS FOR STBKILIZING CANNED GOODS.

APPLICATION mum mum, 191a.

1,088,957. Patented M21133, 191:1

l Ks $1 & Q N l 5 gx Q 5: [Q N Q & w

UNITED: sTATEs- PATENT OFFICE.

LEWIS E. ARNOLD, or HONOLULU, TERRITORY OF HAWAII, ASSIGNOR TO HAWAIIAN PINEAPPLE COMPANY, LTD., OF HONOLULU, TERRITORY OF HAWAII.

APPARATUS FOR STERILIZING GANN ED GOODS.

Specification of Letters Patent.

Patented. Mar. 3,

Application filed March 7. 1913. Serial No. 752,756.

- To all whom it may concern citizen of the Be it known that I, LEwIs E. ARNOLD, a

Honolulu, in the county of Ho'nolulin-Territory of Hawaii, haveinvented certain new and useful Improvements in Apparatus for sterilizing CannedGoods and I'do hereby declare the following to be a full, clear, and

exact description of-the invention, such aswill'enable others skilled in the art to'which' it appertains to make and use the same.

This invention relates to apparatus for sterilizing canned goods, such as fruit, fishand vegetables, and known in the trade as cookers or retorts, and its object is to provlde apparatus of this character-which shall be simple and inexpensive in construction and efiicient in operation.

'The invention contemplates, a conduit, means for rolling the cans to, be sterilized through the conduit, and means for introducing onfor circulating a heating medium such as steam in the conduit so that the cans may become sufiiciently heated while being rolled through the conduit and before their discharge from the apparatus to sterilize the canned material.

In carrying out'my invention, the conduit may be made of wood, preferably having a rectangular, cross section, steam being supplied through a-pipe or pipes to the interior of the conduit. An endless chain with attachments is provided for engaging the cans which are fed to one end of the appa-.

ratus and for rolling the cans through and discharging them from the opposite end of this conduit. l/Vhenin order to eifectthe sterilization the material in'the cans to be treated requires a higher temperature in the conduit than that produced by simply admitting steam directly into the conduit, I provide a steam-jacketed drum above and connected to the conduit into which drum the steam is admitted and then superheated by steam under pressure in the surrounding jacket, and means for causing'a circulation 1n the drum and conduit of the steam thus superheated, as will hereinafter more fully appear.'

The invention consists in the novel con struction and combination of parts as hereinafter described and claimed, reference being had to the accompanying drawings,

United States, residing at tudlnal groove 6 formed by pulley 24 is secured to forming a part of. this specification, wh1ch- Figure 1 represents in side elevation partly in section one form of apparatusof the kind described embodying my invention. Fig. 2 is an elevation of the i of the same apparatus."

composed of the two vertical sides 1 and 2, the bottom 3, and thecover 4, which form a rectangular passageway large enough to permit the cans which are to be treated to be rolled through the same. The conduit is supported by suitable legs 5. The bottom; 3 is provided at its center with the longi; the strips of wood. 3 3 adjacent to the sides 1, 2 respecdischarge end y. I. v Referring to .the drawings, the conduit is" tively, as shown. A shaft 7' with a sprocket wheel 8 attached is journaled in the brackets 9 under each end of the apparatus, andafn endless chain 10 is "passed over these that the upper sprocket wheels 8 such strand of the chain 10 will slide in the grooye 6 when the shaft 7 at the discharge end is revolved by a belt applied to the pulley 11 attached to the end of said shaft This chain is provided with fingers or attach ments 12 at short intervals sufficient to permit of the introduction of one can between the lower strandmay slide in the wooden trough 13 supported between the legs 5 under the conduit, as shown.

A drum 14 provided with a steam-jacket 15 is supported above the cover 4 of the conduit by the nozzles 16 16. Holes' are cut in the cover 4 so that the interior of the conduit and the interior of the drum 14 are connected through said nozzles.- Steam is admitted and supplied to the interior of the drum 14 by a pipe 17 connected to the boss 17. Steam under pressure is admitted'to the jacket 15 through the pipe 18, and the adjacent fingers. The attachments 12 .in

jacket is provided with a drain 19. A fan 20-and a collar 21 are secured inside of the drum 14 to the horizontal shaft 22 journaled in the bearing 23 in the center of the head at one end of said drum. A driving I the outer-portion of the shaft 22. A flexible fl'ap'25 is secured under each end of the cover 4 to partially at least if not completely prevent the escape of steam from the ends of the conduit? and-lat the same time permit of the passage of the cans under same,

In operation, with the chain 10=moving through the conduit in the direction as indicated by arro w's,the cans are fed to one end of the 'conduit, and. the attachments 12 cause the cans to roll on the strips 3 and 3? of the hottomfi. until they' arrive at and are discharged from the opposite end of the con -duit nearest the shaft 7 having the driving pulley 11'.- The steam admitted to the drum 1% is superheated by the steam under pressure in the jacket 15 which is at a higher temperature. rcirculation ofthe steam thus superheated through the drum 1%, nozzle 16, the conduit and nozzle 16, as indicated by arrows, is caused by means of the fan 20 revolved by a belt applied to the pulley'Q. During thetransitot the cans through the conduit, however, they are subjected to the heat of the steam Within the conduit suliiciently to sterilize the tents previous to their apparatus.

I claim:

discharge from the '1. Apparatus of the kind described comprising a conduit, means to unore containers through the conduit, a steam jacketed drum communicating with the conduit at two points in the length oi the former, means to admit steam to the drum, and a revoluble fan Within the drum to produce a circulation of the steamthrough the conduit and the drum, for the purpose described.

2. Apparatus of the kind described 6031-,

cans and their con-' toe-seer l prising a conduit, means for moving containers therethrough, a drum in communication with said conduit, -means to admit a heating medium to the circuit formed by said conduit and the drum, means associated medium therein, and a revoluble fan within the drum to cause a circulation of the heating. medium through the drum and conduit, for the purpose described. Apparatus ofthek'ind described comprising. a conduit, means for moving containers therethrough, a drum in communication with the conduit at each end of the former, means to admit steam to the apparatus, means associated With the drum to. superheat the steam therein, maintaining a circulation drum and conduit. 4-, Apparatus of the kind described cornprising a conduit, 'means for moving containers therethrough, a drum communicating of steam in the medium to the circuit formed by said. drum medium in the drum, and means to maintain a circulation of the heating medium in the l conduit and said drum. I i I I in testimony whereof aiiix my slgnature,

in presence of two Witnesses.

LENIS E. ARNOLD.

Witnesses v J. HOWARD Woman,

1 H. G. GINACA.

with said drum to: superheat the heating and means for with said conduit, means to .admit .a heating- 

